car smokes on deacceleration..need help...

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Old Jul 25, 2010 | 02:53 PM
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Default Re: car smokes on deacceleration..need help...

i am going to do another comp. test 2moro.. i will post my results.. thanks for all the help.. i really wana get to the end of this crap...lol...
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Old Jul 26, 2010 | 09:05 AM
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Default Re: car smokes on deacceleration..need help...

ok i drove my car last nite around the block an it will not smoke until its warm.... once the temp guage rises to its normal spot it starts smoken.... is that a sign of a oil ring???
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Old Jul 26, 2010 | 11:28 AM
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Default Re: car smokes on deacceleration..need help...

What pistons are in the car? With low silicon pistons, as the car heats up the pistons expand. If oil's passing your rings smoke can decrease when the motor gets warm. When my oil rings were bad it would smoke all the time and get worse the higher the rpm. Temp didn't really matter
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Old Jul 26, 2010 | 11:37 AM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by phat93hatch
ok i drove my car last nite around the block an it will not smoke until its warm.... once the temp guage rises to its normal spot it starts smoken.... is that a sign of a oil ring???
Bad rings are bad rings. Oil control rings won't show up on a compression test either...

Im dealing with a similar issue now. I changed my stem seals a few weeks ago. I can check the stick and its at full, go drive one day and get home and its still full. Go drive another day with similar habbits and its chewed up a 1/4 quart in 30 miles. Its a strange one indeed. My rings are brand new, so I don't think this is my issue. I am going to switch from 5w-30 to 10w-30. I also found a few leaks underneath the car I will address also. Hopefully between the two I can solve the consumption issue.
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Old Jul 26, 2010 | 01:22 PM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by phat93hatch
ok i pulled my pipen off an no oil.. I also tried the pb blaster.. I didnt have any luck... My friend says that i got a broken ringland..... Im @a dead end road with this.....
how long did you let it sit? did you spray it in a couple of times as it went down past the pistons? i keep on pooling it up
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Old Jul 26, 2010 | 02:15 PM
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Default Re: car smokes on deacceleration..need help...

i sprayed a good amount in each one.. It set about 4hrs.. Why is it really ony smokes when warm??? I dnt get it... It dont smoke at start up, or under pressure, only when i let off the gas then accelerate....
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Old Jul 26, 2010 | 02:17 PM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by phat93hatch
i sprayed a good amount in each one.. It set about 4hrs.. Why is it really ony smokes when warm??? I dnt get it... It dont smoke at start up, or under pressure, only when i let off the gas then accelerate....
The whole PB blaster "Trick" won't do a damn thing unless you have stuck/gummed up rings. Other then that, its a complete waste of time.
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Old Jul 26, 2010 | 02:17 PM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by E85B18
What pistons are in the car? With low silicon pistons, as the car heats up the pistons expand. If oil's passing your rings smoke can decrease when the motor gets warm. When my oil rings were bad it would smoke all the time and get worse the higher the rpm. Temp didn't really matter
Stock...
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Old Jul 27, 2010 | 11:10 AM
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Default Re: car smokes on deacceleration..need help...

with PB blaster "Trick" u hav to change the oil right after?
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Old Jul 27, 2010 | 01:26 PM
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Default Re: car smokes on deacceleration..need help...

correct
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Old Jul 29, 2010 | 05:36 AM
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Default Re: car smokes on deacceleration..need help...

ok just for the record yesterday i done a 2nd compression check... 200 across the board.. i read in my haynes manual on the pcv valve chapter that if i got a bad ring that it will put blow by in the air breather... which i dnt have a breather box so i pulled the intake pipn off on looked into the intake manifold and i got oil in the manifold which tells me that its coming thru the pcv valve... so i think i do have a ring problem..
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Old Jul 31, 2010 | 01:10 PM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by phat93hatch
ok just for the record yesterday i done a 2nd compression check... 200 across the board.. i read in my haynes manual on the pcv valve chapter that if i got a bad ring that it will put blow by in the air breather... which i dnt have a breather box so i pulled the intake pipn off on looked into the intake manifold and i got oil in the manifold which tells me that its coming thru the pcv valve... so i think i do have a ring problem..
Mine is doing the exact same thing...i mean exact! The same hot only problem. It only smokes when i decelerate with it in gear. Take it out of gear and coast down, no problem. Now I've gone a step further to diagnose, cause i've changed pistons/rings already with no improvement to the oiling.
I'm still running my hot winter thermostat, so i'll change that this week, but i'm suspecting that the high vacume is creating a drainback problem for the turbo...like maybe sucking the line closed.
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Old Aug 2, 2010 | 01:49 PM
  #63  
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Default Re: car smokes on deacceleration..need help...

I was gonna tear it down an just go thru the whole motor but i really dnt wana if its sumthin small.. I got people tellen me that its a chance of it being valve guides... I would think if thats the case i would get smoke when i start the car but thats not the case... Im running outa suggestions...
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Old Aug 20, 2010 | 08:47 PM
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Default Re: car smokes on deacceleration..need help...

When you figure it out, let me know. My ls/vtec does the same thing. Changed the valve stem seals, same thing.

Only other things it could be is either the valve guides and/or oil control rings.
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Old Aug 20, 2010 | 10:18 PM
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Default Re: car smokes on deacceleration..need help...

Is your PCV valve setup right??? I know if its not setup right then it will suck oil into the intake. Got any pics of how yours is setup???
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Old Sep 3, 2010 | 07:42 PM
  #66  
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Default Re: car smokes on deacceleration..need help...

i am runnig the stock pcv valve setup.. I really have no clue wer to start.. I have heard it could be diff stuff..
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Old Sep 4, 2010 | 10:59 AM
  #67  
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Default Re: car smokes on deacceleration..need help...

I had similar problem like this also. All my intake valve guide was leaking.
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Old Sep 4, 2010 | 11:28 AM
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Default Re: car smokes on deacceleration..need help...

Im thinking its related to crankcase pressure/pcv or the turbo. What size is your feed line?
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Old Oct 28, 2010 | 06:40 PM
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Default Re: car smokes on deacceleration..need help...

any conclusion to this problem? We should recap, or make it a sticky. seems like a lot of people have this problem....

Things to check:
1. charge pipe or oil
2. intake manifold for oil
3. down pipe for oil
4. compression check
5. check pcv system
6. pinched oil line
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Old Oct 29, 2010 | 12:02 AM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by tegra1027
any conclusion to this problem? We should recap, or make it a sticky. seems like a lot of people have this problem....

Things to check:
1. charge pipe or oil
2. intake manifold for oil
3. down pipe for oil
4. compression check
5. check pcv system
6. pinched oil line
I removed my intake manifold to get to the bottom of things. My car was STILL eating oil after new stem seals. Anyways, mine turned out to be from the PCV system. Time for a catch can.
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Old Nov 9, 2010 | 08:03 PM
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Default Re: car smokes on deacceleration..need help...

I have a catch can.... but it remains empty.. Most likely because im burnin so much oil. I had to put in a quart and a half today after 300 miles maybe. Ive been drivin it hard, but still.

I also figured out that I only get the smoke after I shift and press the gas. If I shift and dont give it any gas or even down shift and dont give it gas, it wont blow smoke.

Not too mention, Im running rich. If my rings are bad, would it cause this much smoke and oil loss? Any suggestions?
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Old Nov 9, 2010 | 08:36 PM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by tegra1027
I also figured out that I only get the smoke after I shift and press the gas. If I shift and dont give it any gas or even down shift and dont give it gas, it wont blow smoke.

Not too mention, Im running rich. If my rings are bad, would it cause this much smoke and oil loss? Any suggestions?
It's too hard to diagnose by what youre discribing. When my rings went out i burned 3 quarts in 80 miles
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Old Nov 10, 2010 | 06:34 AM
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Default Re: car smokes on deacceleration..need help...

Originally Posted by E85B18
It's too hard to diagnose by what youre discribing. When my rings went out i burned 3 quarts in 80 miles
Your turbos exhaust seal is bad. When you decel it creates a vacuum in the exhaust manifold that takes the thrust load on the shaft that is keeping the oil in normally off, and oil escapes past. That's why blown turbos are often associated with a lot of shaft play.
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Old Nov 10, 2010 | 07:09 AM
  #74  
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Default Re: car smokes on deacceleration..need help...

Originally Posted by phat93hatch
i am runnig the stock pcv valve setup.. I really have no clue wer to start.. I have heard it could be diff stuff..
i would not use the stock pvc system on a turbo car. also i would try the advice given in this thread. https://honda-tech.com/forums/tech-misc-15/stuck-oil-rings-vs-worn-oil-rings-2767274/
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Old Nov 10, 2010 | 03:02 PM
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Default Re: car smokes on deacceleration..need help...

how do the plugs look?
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